Home / 259,474.59-389,385.02-90,994.79

Finding the Fourth Proportional to 259,474.59, 389,385.02 and 90,994.79

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Solution

The fourth proportional to 259,474.59, 389,385.02 and 90,994.79 is: 136,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,474.59 : 389,385.02 = 90,994.79 : x
  2. Step 2: Convert to fraction form
    259,474.59/389,385.02 = 90,994.79/x
  3. Step 3: Cross multiply
    259,474.59x = 389,385.02 × 90,994.79
  4. Step 4: Simplify right side
    259,474.59x = 35,432,009,325.00
  5. Step 5: Solve for x
    x = 35,432,009,325.00/259,474.59
  6. Step 6: Final answer
    x = 136,552.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.